Widely used in hydroponic systems. Convenient to operate without oil. Cylinders and pistons are made of premium materials, making the pump strong and durable. Will meet the requirements of pumps with air dividers from four to twenty-two outlets. The correct tubing size for the air pump outlets is 6mm tubing. We recommend part number: 708215- Hydroflow Vinyl Tubing 3/16 in ID- 1/4 in OD 100 ft.
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